"Gillespie maps the evolution of the daguerreotype, as medium and as profession, from its introduction to the ascendancy of the "American process," tracing its relationship to other fields and the professionalization of those fields. She does so by recounting the activities of a series of American daguerreotypists, including fine artists, scientists, and mechanical tinkerers. She describes, for example, experiments undertaken by Samuel F. B. Morse as he made the transition from artist to inventor; how artists made use of the daguerreotype, both borrowing conventions from fine art and establishing new ones for a new medium; the use of the daguerreotype in various sciences, particularly astronomy; and technological innovators who drew on their work in the mechanical arts. "--Publisher's website.